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	param	t-stat
$ω$	1.1236	7.80
$α$	0.0616	2.65
$β$	0.9053	29.72
$γ_{1}$	0.0103	1.09

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Guinness Atkinson Sustainable Energy ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:20.12% (-0.12%)

Date Range:

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News Impact Curve

Volatility Forecasts

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